Home / 1,841.98-2,540.94-1,211.85

Finding the Fourth Proportional to 1,841.98, 2,540.94 and 1,211.85

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Solution

The fourth proportional to 1,841.98, 2,540.94 and 1,211.85 is: 1,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.98 : 2,540.94 = 1,211.85 : x
  2. Step 2: Convert to fraction form
    1,841.98/2,540.94 = 1,211.85/x
  3. Step 3: Cross multiply
    1,841.98x = 2,540.94 × 1,211.85
  4. Step 4: Simplify right side
    1,841.98x = 3,079,238.14
  5. Step 5: Solve for x
    x = 3,079,238.14/1,841.98
  6. Step 6: Final answer
    x = 1,671.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.